Shoes and Shoes Insole Capable of Buffering Shock by Air Circulation

ABSTRACT

This invention relates to an air circulating, shock absorbing shoes which reduce the impact exerted to the feet of the wearer by providing ventilation in the shoes, resulting in pleasant and comfortable wearing of shoes. 
     The air circulating and shock absorbing shoes are technically characterized by being constituted with a buffering space ( 11 ) formed on top of the said outsole ( 10 ) containing cushion member ( 40 ); multiple nuts ( 50 ) penetrating the front and rear parts of the said buffering space ( 11 ); multiple insertion holes ( 41 ) vertically penetrating the said cushion member ( 40 ) facing said nuts ( 50 ); buffering device inserted in said insertion holes ( 41 ) embedded with vertical spring ( 61 ); cap screws ( 70 ) jointed with said nuts ( 50 ); multiple wavy grooves ( 42 )( 43 ) formed at the front and rear parts of said cushion member ( 40 ) and connected with grooves ( 42   a )( 43   a ); path ( 44 ) which connects said front and rear wavy grooves ( 42 )( 43 ); 1st and 2nd check valves ( 80 )( 90 ) formed at the said path ( 44 ) and rear part of the outsole ( 10 ) respectively; and multiple suction holes ( 21 )( 31 ) formed at the front part of the said midsole ( 20 ) and insole ( 30 ) and connected with the front wavy groove ( 42 ).

TECHNICAL FIELD

This invention relates to an air circulating and shock absorbing shoesand soles which absorb the impact exerted to the feet of the wearerwhile walking or running, enable smooth ventilation for pleasant andcomfortable wearing for a long time.

BACKGROUND ART

In general, shoes are worn for walking and running, which isindispensable in our daily lives and their type, are several tens whichcan be classified by use and functionality, such as running shoes,leather shoes, slippers, sports shoes, golf shoes, military shoes,mountain climbing shoes, and etc.

Soles are auxiliary members of shoes inserted in shoes to protect feetfor a long time for the comfort of feet in walking or running.

Recently, a number of new shoes and soles are being developed in orderto improve comfortableness and help promote health.

On the other hand, modern people are living with diverse health problemsdue to lack of exercise and fatness provided by modern science andtechnologies, such as transportation means.

In recent days, many people are doing exercises such as running in parksin the morning, wearing light shoes and training clothes.

However, conventional shoes and soles cannot properly absorb the shockIn walking or running exerted to knee joints, giving impact to thecartilaginous plates of knee joints and backbone. In addition, due tothe insufficient cushion this is the result of their structure,conventional shoes and insoles cause fatigue in feet and cannot promotehealth sufficiently. Especially, the impact of the weight of body isexerted to the feet and legs without buffering, resulting in fatigue.

Furthermore, since conventional shoes and insoles are not sufficientlyventilated due to their structure, they have the problem ofover-sweating. Especially, since the sweat of feet cannot be dried fast,they cannot prevent microorganisms from propagation, resulting in badodor or athlete's foot.

DISCLOSURE OF INVENTION

The object of the present invention is to solve abovementioned problems.To this end, the present invention provides an air circulated and shockabsorbing shoes and insoles which can reduce feet fatigue by absorbingthe shock exerted to the feet during walking or running, increase thequantity of motion, remove bad odor of feet by smooth air circulation,prevent athlete's foot, so that wearers can wear the shoes pleasantlyand comfortably for a long time.

To this end, the air circulated and shock absorbing shoes in accordancewith the present invention are formed with buffering spaces above theoutsole in which cushion members are inserted, with multiple nutsembedded at the front and rear parts of the said buffering spaces,penetrating the spaces, with multiple vertical devices for insertion inthe cushion member at the opposite positions of the said nuts, withshock absorbing devices embedded with springs vertically in the saidinsertion holes, and the said nuts are jointed with cap screws, and thefront and rear parts of the said cushion members are formed withmultiple wavy grooves which are connected with connecting grooves, andformed with the 1^(st) and 2^(nd) check valves at the said connectinggrooves and the rear part of the outsoles, and the front parts of theoutsoles and insoles are formed with multiple inlet holes which areconnected with the front wavy grooves.

To this end, the air circulating and shock absorbing insoles of the1^(st) exemplary embodiment in accordance with present invention areformed with the 1^(st) and 2^(nd) air chambers, at the front and rearparts of the upside of the lower sheet, which are interconnected withgrooves, and the inside of the center part of the upside of the saidlower sheet and the said 1^(st) air chambers are formed with multipleconcave grooves, and the upper sheet is formed with multiple inlet holeswhich are connected with the 1^(st) air chambers, the lower sides of thesaid upper sheets are formed with multiple buffering projections whichare inserted into the concave grooves, and the said bufferingprojections are embedded with springs and formed, on their top, withpressing projections which receive the elastic force of the springs, thetop of the rear part of the said upper sheets are formed with multiplecushion projections, said 2^(nd) air chambers are embedded withbuffering members, and the front parts of said 2^(nd) air chambers areformed with the 2^(nd) check valves which exhaust air outside.

To realize said objects, the air circulating and shock absorbing insolesof the 2^(nd) exemplary embodiment in accordance with present inventionare formed with buffering spaces, on top of the lower sheet, insertedwith cushion members, the front and rear parts of said buffering spacesare embedded with multiple nuts which penetrate vertically, the cushionmembers are formed with multiple insertion holes at their front and rearparts at the opposite positions of said nuts, said insertion holes areembedded with buffering devices Integrated with springs vertically insaid insertion holes, said nuts are jointed with cap screws, the frontand rear parts of said cushion members are formed with multiple frontand rear wavy grooves which are connected with grooves, said front andrear grooves are connected with grooves, said connecting grooves and therear part of the lower sheets are formed with the 1^(st) and 2^(nd)check valves respectively, and the front of the upper sheets are formedwith multiple inlet holes which are connected with the front wavygrooves.

BRIEF DESCRIPTION OF DRAWINGS

FIGS. 1 through 11 illustrates the air circulating, shock absorbingshoes in accordance with the present invention, where;

FIG. 1 is an exploded perspective view of an exemplary embodiment of thepresent invention,

FIG. 2 is a sectional view showing the combination of an exemplaryembodiment of the present invention,

FIG. 3 is a sectional view showing the exploded status of an exemplaryembodiment of the present invention,

FIG. 4 is a top plan view showing the cushion member in accordance withthe present invention,

FIG. 5 is an exploded perspective view showing the core parts of thepresent invention,

FIGS. 6 a and 6 b are a perspective view and a sectional view of theshock absorbing device in accordance with the present invention,respectively,

FIGS. 7 a and 7 b are a perspective view and a sectional view of the capscrew in accordance with the present invention, respectively,

FIG. 8 is a sectional view showing another embodiment of the cap screwin accordance with the present invention,

FIGS. 9 a, 9 b, and 9 c are sectional views showing the operation of thepresent invention,

FIG. 10 is an exploded perspective view showing the exemplary embodimentof the mid sole and insole in accordance with the present invention,

FIG. 11 is a sectional view showing the joint status of the FIG. 10,

FIG. 12 through FIG. 18 b show the insole of an air circulating, shockabsorbing shoe which is an exemplary embodiment of the presentinvention,

FIG. 12 is a perspective view of an exemplary embodiment of the presentinvention,

FIG. 13 is an exploded perspective view of an exemplary embodiment ofthe present invention,

FIG. 14 is a sectional view showing an exemplary embodiment of thepresent invention,

FIG. 15 a is a perspective view showing the bottom side of the uppersheet in accordance with the present invention,

FIG. 15 b is a sectional view showing the shock absorbing projectionsand pressing projections of the upper sheet in accordance with thepresent invention,

FIG. 16 a is a perspective view showing the cushion member in accordancewith the present invention,

FIG. 16 b is the sectional view of the FIG. 16 a,

FIGS. 17 a, 17 b and 17 c are sectional views showing the operation ofthe present invention,

FIG. 18 a is a perspective view showing another exemplary embodiment ofthe cushion member in accordance with the present invention,

FIG. 18 b is the sectional view of the FIG. 18 a,

FIGS. 19 through FIG. 27 c shows the air circulating, shock absorbinginsole of another exemplary embodiment in accordance with the presentinvention,

FIG. 19 is a perspective view showing another exemplary embodiment ofthe present invention,

FIG. 20 is an exploded perspective view of the present invention,

FIG. 21 is a sectional view showing the joint status of the presentinvention,

FIG. 22 is a sectional view showing the separated status of the presentinvention,

FIG. 23 is a top plan view showing the cushion member in accordance withthe present invention,

FIG. 24 is an exploded perspective view showing the core members of thepresent invention,

FIGS. 25 a and 25 b are the perspective and sectional views of the shockabsorbing device in accordance with the present invention, respectively,

FIGS. 26 a and 26 b are the perspective and sectional views of the capscrew in accordance with the present invention, and

FIGS. 27 a, 27 b and 27 c are sectional views showing the operation ofan exemplary embodiment of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

The technical constitution and functions of the said members set forthand described hereinabove are described herein below.

The air circulating and shock absorbing shoes are technicallycharacterized by being constituted with, as shown in the FIG. 1 throughFIG. 11, in a shoe (S) incorporating outsole (10), midsole (20), andinsole (30), a buffering space (11) formed on top of the said outsole(10) containing cushion member (40); multiple nuts (50) penetrating thefront and rear parts of the said buffering space (11); multipleinsertion holes (41) vertically penetrating the said cushion member (40)facing said nuts (50); buffering device inserted in said insertion holes(41) embedded with vertical spring (61); cap screws (70) jointed withsaid nuts (50); multiple wavy grooves (42)(43) formed at the front andrear parts of said cushion member (40) and connected with grooves (42a)(43 a); path (44) which connects said front and rear wavy grooves(42)(43); 1st and 2nd check valves (80)(90) formed at the said path (44)and rear part of the outsole (10) respectively; and multiple suctionholes (21)(31) formed at the front part of the said midsole (20) andinsole (30) and connected with the front wavy groove (42).

Here, the said shoe (S) applies to all the shoes, which incorporateoutsole (10), midsole (20), and insole (30), and have diverse sizesaccording to the age, sex, and size of feet of wearer.

The said buffer space (11), as shown in FIG. 1, is formed along on theoutsole (10) lengthwise and integrated with a cushion member (40) whoabsorbs the impact of walking and circulates air. Here, at the front andrear parts of the said buffer space (11), multiple nuts (50) areinserted penetrating vertically by integrated injection molding.

Said inlet holes (21)(31) are formed at the front parts of the midsole(20) and insole (30) and connected with the front wavy groove (42)formed in the cushion member (40). Here, fresh air is introduced throughthe multiple inlet holes (31) formed in the said insole (30) whilewalking.

The said cushion member (40), which is integrated in the buffer space ofthe outsole (10), absorbing shock of walking and circulates air, is madeof soft and elastic material and formed with multiple insertion holes(41), multiple front and rear wavy grooves (42)(43) and connecting path(44). Here, said cushion member (40) is formed with a shapecorresponding with the said buffer space (11).

Said insertion holes (41) are formed vertically in the cushion member(40) facing the nuts (50), integrated with buffering devices (60) whichabsorbs the impact of walking.

As shown in FIG. 4, said front and rear wavy grooves (42)(43) are formedat the front and rear parts of the said cushion member (40)respectively. These front and rear wavy grooves (42)(43) areinterconnected with grooves (4), and the rear wavy groove (43) isconnected with the 2nd check valve (90) as shown in the figure. Saidfront and rear wavy grooves (42)(43) circulate air and reduce the weightof the cushion member (40).

The said path (44) is, as shown in the FIG. 4, formed at the center topof the cushion member (40) and connects the front and rear wavy grooves(42)(43), and installed with the 1st check valve (80).

The said nuts (50) are formed at the front and rear parts of the bufferspace (11) penetrating vertically, and joint with cap screws (70). Here,the said nuts (50) are inserted into the buffer space (11) by injectionmolding.

Said buffering devices (60) are inserted in the insertion holes (41) ofthe cushion member (40) to absorb the shock of walking and circulateair, and are made of soft, elastic material and embedded vertically withsprings (61), as shown in the FIGS. 6 a and 6 b, which increasesbouncing force with elasticity. The springs (61) are protected fromcorrosion by being embedded in the buffering devices (60). At thecenters of the top and bottom of said buffering devices (60), concavegrooves (62)(63) are formed, and on the bottom of said midsole (20) andtop of the cap screw (70), projections (22)(71) which are inserted intosaid concave grooves (62)(63) are formed.

Said cap screws (70) are assembled, but can be disassembled, with nuts(50) to support buffering devices (60), by screw joints so that thebuffering devices (60) can be easily replaced. Here, on the bottom ofthe cap screws (70), grooves (70 a) are formed for easy jointing andunscrewing of cap screw (70) for assembling and disassembling, as shownin FIG. 7 b. Therefore, the buffering devices (60) can be easilyreplaced when damaged or to meet the weight of the shoes wearer with theone having appropriate strength. Especially, the strength of thebuffering devices (60) at where more load is exerted can be adjustedwith desired tension.

Another desirable embodiment of the present invention, as illustrated inFIG. 8, is characterized by formed with anti-slip projections (72) onthe bottom of said cap screws (70), which are especially suitable formountain climbing or golf shoes.

Said 1st check valve (80) is installed in the path (44) of the saidcushion member (40) to close the path (44) when the rear wavy grooves(43) is pressed and open the path when the rear wavy grooves (43) isexpanded, while walking. As illustrated in FIG. 1, a valve grove (44 a)is formed in the path (44) of said cushion member (40) to install the1st check valve (80).

The 2nd check valve (90) is installed at the rear part of the outsole(10) so as to be connected with outside to exhaust air when the rearwavy grooves (43) of said cushion member (40) is pressed, and cuts offair exhaustion by being closed when the rear wavy grooves (43) of saidcushion member (40) is expanded. Here, a valve s groove (12) is formedat the rear part of said outsole (10) to install the 2nd check valve, asshown in FIG. 1.

FIGS. 10 and 11 show another exemplary embodiment of the midsole (20)and insole (30) in accordance with the present invention, wherein, theyare characterized by; multiple pressing projections (23) and cushionprojections (24) which are formed on top of the front and rear parts ofthe said midsole (20); and multiple cut-offs (24) formed on said insolein correspondence with the said pressing projections (23) and cushionprojections (24); and the top of the said insole (30) attached with spuncloth (30 a).

Here, the said pressing projection (23) are formed on front top of saidmidsole (20), as shown in FIGS. 10 and 11, to provide pressing effect onfeet while walking.

Said cushion projections (24) also are formed on the rear top of themidsole (20), as shown in FIGS. 10 and 11, to absorb shock while walkingor running.

Said cut-offs (32) are formed on the insole (30), as shown in FIGS. 10and 11, facing the pressing and cushion projections (23)(24), in ^(‘*’)shape so that they can be easily open up in all directions to acceptsaid pressing and cushion projections (23)(24).

Said spun cloth (30 a), as shown in FIGS. 10 and 11, is attached on topof the insole (30), to provide elasticity to the cut-offs (32) andprevent pressing and cushion projections (23)(24) from being exposed totop of the insole (30).

The overall function and operation of the entire members of the aircirculating and shock absorbing shoes in accordance with the presentinvention are described herein below.

While the shoes (S) are not worn, the cushion member (40) and the frontand rear wavy grooves (42)(43) are expanded by the elasticity of thebuffering devices (60), When the shoes (S) are worn and walked or run,said cushion member (40), said front and rear wavy grooves (42)(43) andsaid buffering device (60) provide buffering and air circulationfunctions by being compressed and expanded in turns.

As shown in FIG. 9 a, when the insole (30) and midsole (20) are pressedby the heel of foot, the rear wavy grooves (43) of the cushion member(40) are compressed, resulting in the compression of the bufferingdevices (60) at the rear of the cushion member (40) absorbing the shock,and at the same time, the air compressed at the rear wavy grooves (43)is exhausted to outside through the 2nd check valve (90), and the path(44) in the cushion member (40) is closed because the 1st check valve(80) is closed by the pressure of the air compressed in the rear wavygrooves (43).

Next, as shown in FIG. 9 b, when the insole (30) and midsole (20) arepressed by the toe while in walking, the front wavy grooves (42) of thecushion member (40) are compressed, resulting in the compression of thebuffering devices (60) of the cushion member (40), absorbing the shock.At the same time, the 1st check valve (80) is open because the aircompressed in the front wavy grooves (42) is exhausted through the path(44) of the cushion member (40).

As shown in FIG. 9 c, when the shoe (S) is isolated from ground, thefront and rear wavy grooves (42)(43) of the cushion member (40) areexpanded back to their original shape by the dynamic stability of thebuffering device (60), causing suction force in the front and rear wavygrooves (42)(43), introducing fresh air into the front wavy grooves (42)through the suction holes (31)(21) of the insole (30) and midsole (20),into the rear wavy grooves (43) via the path (44) and the 1st checkvalve (80), resulting in natural circulation of air in the shoe (S)while walking or running.

Therefore, the air circulating and shock absorbing shoes in accordancewith the present invention provides excellent cushion by the bufferingfunction, reducing foot fatigue while walking or running, promotinghealth by increasing the quantity of motion due to their structure, andpreventing various diseases caused by lack of exercise.

In addition, the air circulating and shock absorbing shoes in accordancewith the present invention can remove foot odor and prevent athlete'sfoot with the fresh air circulated in the shoes while walking orrunning, for pleasant wearing over a long time.

In addition, according to the present invention, as described above, thebuffering devices (60) can be easily replaced when damaged since the capscrews (70) are joint with the nuts (50) by screw joint, or to meet theweight of the wearer. Furthermore, the strengths of the bufferingdevices can be adjusted partially by replacement according to the load.

In addition, the springs (61) in accordance with the present inventionare embedded in the buffering devices (60) to be protected fromcorrosion.

The technical constitution of the sole of the air circulating and shockabsorbing shoes in accordance with the present invention is described indetail herein below.

The sole (A) of the air circulating and shock absorbing shoe inaccordance with the 1st exemplary embodiment of the present invention,as shown in FIG. 12 through 18 b, which is comprised of the lower sheet(100) and upper sheet (200), is technically and substantiallycharacterized by being formed with the 1st and 2nd air chambers(120)(130) which are formed at the front and rear of the said lowersheet (100) and interconnected with each other through a path (110);multiple concave grooves (140) formed inside the central top of the saidlower sheet (100) and in the 1st air chamber (130); multiple suctionholes (210) formed on the said upper sheet (200) and connected with thesaid 1st air chamber (120); multiple buffering projections (220) on thebottom of the upper sheet (200) to fit with the said concave grooves(140) and vertically embedded with springs (220 a); pressing projections(230) on top of the said buffering projections (220) which receive theelastic force of the springs (220 a); multiple cushion projectionsformed on the rear top of the said upper sheet (200); buffering member(300) incorporated Inside the said 2nd air chamber (130); the 1st checkvalve (400) formed in front of the 2nd air chamber (130) to open andclose the path (110); and the 2nd check valve (500) installed at therear of the said 2nd air chamber (130) which is connected with outsideto exhaust air.

Here, the said sole (A) can be used in various types of shoes such asrunning shoes, leather shoes, sports shoes, golf shoes, combat shoes,mountain climbing shoes, and etc., and is comprised of the lower sheet(100) and upper sheet (200) in various sizes according to the sizes ofthe feet of the users.

The said path (110) is formed on center top of the lower sheet (100) andits both ends are connected with the 1st and 2nd air chambers(120)(130).

The said 1st air chamber (120) is formed at front top of the lower sheet(100) accommodating the buffering projection (220) of the upper sheet(200). Here, a desirable exemplary embodiment of the present inventionis characterized with multiple wavy grooves (150) inside the said 1stair chamber.

The said 2nd air chamber (130) is formed at rear top of the lower sheet(100) and connected with the 1st air chamber via the path (110). Infront of the said 2nd air chamber (130) is formed with the 1st checkvalve (400) which closes and opens the path (110) while walking, and inthe rear of the 2nd air chamber (130) is formed with the 2nd check valve(500) which exhausts the air outside. Here, the said 2nd air chamber(130) is provided with the buffer member (300).

The said concave grooves (14) are formed inside the center top of thelower sheet (100) and inside the 1st air chamber (120), which areinserted with the bottom of the buffer projections (220).

The said wavy grooves (150) are formed inside the 1st air chamber (120)to is reduce the weight of the lower sheet (100) and circulate air whilewalking.

The said suction holes (210) are formed at the front part of the uppersheet (200) and connected with the 1st air chamber (120) formed on thelower sheet (100). Here, fresh air is introduced through the multiplesuction holes (210) formed in the said upper sheet (200).

The said buffer projections (220) are projected from the bottom of theupper sheet (200) and inserted into the said concave grooves (140), andbuilt-in the 1st air chamber (120) reducing the shock and circulatingair while walking. Therefore, when the upper sheet (200) is pressed bythe toe, the buffer projections (220) are compressed absorbing theimpact.

The said springs (220 a) are embedded in the buffer projections (220) toprovide the buffer projections with elasticity to increase bouncingforce, and to be protected from corrosion.

The said springs (220 a) which are embedded in the buffer projection(220) improve bouncing force by providing the buffer projections (220)with elasticity. Here, the springs (220 a) are protected from corrosionbecause they are embedded in the buffer projections (220).

The said pressing projections (230) are protruded from the top of thebuffer projections (220), receiving the elasticity of the springs (220a), giving massaging effect on the foot with the force of springs (220a).

The said cushion projections (240) are formed on rear top of said uppersheet (200) receiving and mitigating the impact of walking.

The said buffer member (300) is incorporated inside the 2nd air chamber(130), absorbing the impact of walking and circulating air.

According to an exemplary embodiment of the present invention, as shownin the FIGS. 13, 14, 16 a and 16 b, said buffer member (300) ischaracterized by being comprised of a combination of two wrinkled tubes(310) and positioned on both sides of the 2nd air chamber (130), and thesprings (320) are built-in the said wrinkled tubes (310) sealed invacuum to increase bouncing force and be protected from corrosion.

According to an exemplary embodiment of the present invention, as shownin the FIGS. 18 a and 18 b, the said buffer member (300) ischaracterized by being formed integrally on the rear bottom of the uppersheet (200), comprised of multiple buffer projections (330) and thesprings (340) embedded in the buffer projections (330). Here, thesprings (320) are built-in the said buffer projections (330) to increasebouncing force and be protected from corrosion.

The said 1st check valve (400) is formed at the front of the said 2ndair chamber (130) to close the path (110) when the 2nd air chamber iscompressed and open the path (110) when the 2nd air chamber is expanded.

The said 2nd check valve (500) is formed at the rear of the 2nd airchamber in connection with outside to exhaust air. The said 2nd checkvalve (500) is opened to exhaust air outside when the 2nd air chamber(130) is compressed and closed when the 2nd air chamber (130) isexpanded. Here, though the drawings only show the 2nd check valve (500)installed at the rear of the 2nd air chamber (130), it should beclarified that, in other embodiments in accordance with the presentinvention, the 2nd check valve (500) can be installed at any side of the2nd air chamber (130).

The details of the overall operation of the sole of air circulating andshock absorbing shoe in accordance with the 1st exemplary embodiment ofthe present invention is described herein below.

When the shoes are not worn nor walked, the 1st and 2nd air chambers(120)(130) maintain expanded status due to the elasticity of the bufferprojections (220) and buffer member (300).

When the sole (A) in accordance with the present invention is insertedinto a shoe and walked or run, the said 1st and 2nd air chambers(120)(130), buffer projections (220) and buffer member (300) arecompressed and expanded in turns to provide buffering effect and aircirculation.

Firstly, as shown in FIG. 17 a, when the upper sheet (200) is pressed byheel, the 2nd air chamber (130) is compressed, followed by thecompression of the wrinkled tubes (310) of the buffer member (300) andsprings (320) absorbing shock, and at the same time, the air compressedin the 2nd air chamber (130) is exhausted outside through the 2nd checkvalve, and the pressure of the air compressed in the 2nd air chamber(130) pushes the 1st check valve (400) against the path (10) closing thepath (110).

Next, as shown in FIG. 17 a, when the upper sheet (200) is pressed bytoe, the 1st air chamber (120) is compressed, followed by thecompression of the buffer projections (220) and springs (220 a)absorbing the shock. At the same time, the 1st check valve (500) isopened by the air compressed in the 1st air chamber and exhaustedthrough the path (110)

On the other hand, as shown in FIG. 17 c, when the foot is lifted upfrom the ground, the 1st and 2nd air chambers (120)(130) are expandedback by the dynamic stability of the buffer projections (220) and buffermember (300), followed by the expansion of the wrinkled tubes (310) ofthe buffer member (300) and springs (320), causing suction force in the2nd air chamber (130), and at the same time, because the 1st check valve(400) is opened by the said suction force, making the 2nd and 1st airchambers (130)(120) connected through the path (110), and the 2nd checkvalve (500) maintains closed state.

In addition, the 1st air chamber (120), buffer projections (220) andsprings (220 a) are expanded providing suction force, introducing freshair into the 1st air chamber (120) through the suction holes (210) inthe upper sheet (200), which flows into the 2nd air chamber (130)through the path (110), maintaining air circulation in the sole (A)while walking or running.

Therefore, since the sole (A) of the air circulating and shock absorbingshoe in accordance with the 1st exemplary embodiment of the presentinvention provides excellent cushion effect due to the bufferingcapability, reducing fatigue of feet when walking or running, promotinghealth by structurally increasing the quantity of motion, and preventingvarious geriatric diseases caused by lack of exercise.

In addition, the sole (A) of the air circulating and shock absorbingshoe in accordance with the present invention enables ventilation withfresh air in the shoes while walking or running, removing odor,preventing athlete's foot and allowing users to wear the shoespleasantly over a long time.

In addition, the present invention can reduce the weight of the lowersheet (100) with the multiple wavy grooves (150) formed inside the 1stair chamber (120), protect the springs (220 a)(320) embedded inside thebuffer projections (220) and wrinkled tubes (310) from corrosion,allowing higher bouncing force, and provide massaging effect to feetwith the multiple pressing projections (230) formed on the upper sheet(200).

The sole (B) of the air circulating and shock absorbing shoe inaccordance with the 2nd exemplary embodiment of the present invention,as shown in FIGS. 19 through 27 c, which is consisted with the lowersheet (1000) and upper sheet (2000), is characterized by being comprisedof; a buffer space (1100) formed on top of the lower sheet (1000)containing the cushion member (3000); multiple nuts (4000) embedded topenetrate vertically at the front and rear parts of the said bufferspace (1100); multiple vertical insertion holes (3100) formed in thecushion member (3000) facing the said nuts (4000); buffer devices (5000)embedded in the said insertion holes (3100) incorporated with verticallyembedded springs (5100); cap screws (6000) jointed with the said nuts(4000); multiple front and rear wavy grooves (3200)(3300) formed at thefront and rear parts of the said cushion member (3000), respectively,and connected with connecting grooves (3210)(3310); path (3400)connecting the said front and rear wavy grooves (3200)(3300); 1st and2nd check valves (7000)(8000) formed at the said path (3400) and therear part of the lower sheet (1000) respectively; and multiple suctionholes (2100) formed at the front part of the said upper sheet (2000) andconnected with the front wavy grooves (3200).

Here, the said sole (B) can be used in various types of shoes, such asrunning shoes, leather shoes, sports shoes, golf shoes, combat boots,mountain climbing shoes, and etc., and comprised of upper and lowersheets (2000)(1000), made in various sizes according to the feet size ofthe users.

The said buffer space (1100), as shown in FIG. 20, is formed along thelower sheet (1000) lengthwise, containing a cushion member (3000) whichabsorbs the shock of walking or running and circulates air. Here,multiple nuts (4000) are extrusion molded at the front and rear parts ofthe buffer space (1100), vertically.

The said suction holes (2100) are formed at the front part of the uppersheet (2000), which are connected with the front wavy grooves (3200)formed in the cushion member (3000), introducing fresh air while walkingor running.

The said cushion member (3000) formed in the buffer space (1100) of thelower sheet (1000) absorbs shock and circulates air, made of soft,elastic material, and formed with multiple insertion holes (3100),multiple front and rear wavy grooves (3200)(3300), and path (3400).Here, the said cushion member (3000) is formed in correspondence withthe buffer space, as shown in the figures.

The said insertion holes (3100) are formed vertically in the cushionmember (3000) facing the nuts (4000), incorporated with buffer devices(5000) which absorbs shock while walking or running.

The said front and rear wavy grooves (3200)(3300) are, as shown in FIG.23, formed at front and rear top of the cushion member (3000), connectedby connecting grooves (3210)(3310) and path (3400) The rear wavy groove(3300) is connected with the 2nd check valve (8000) as illustrated. Thefront and rear wavy grooves (3200)(3300) circulate air when walking orrunning and reduce the weight of the cushion member (3000).

The said path (3400) is, as shown in FIG. 23, formed on center top ofthe cushion member (3000), with both ends connected with the front andrear wavy grooves (3200)(3300) respectively, and installed with the 1stcheck valve (7000).

The said nuts (4000) at the front and rear part of the said buffer space(1100), embedded penetrating vertically, and joint with cap screws(6000) with screws. The said nuts (4000) are injection molded in thebuffer space.

The said buffer devices (5000) inserted in the insertion holes (3100) ofthe cushion member (3000) absorb shock and circulate air, made with softelastic material, embedded with springs (5100) to give elasticity andbouncing force, as shown in FIGS. 252 a and 25 b, and the springs (5100)are protected from corrosion by being embedded in the buffer devices(5000).

Concave grooves (5200)(5300) are formed at the center top and bottom ofthe said buffer devices (5000), and projections (2200)(6100) are formedon the bottom of the said upper sheet (2000) and top of the cap screws(6000), which are inserted into the said concave grooves (5200)(5300).

The said cap screws (6000) joint, but separable, with the nuts (4000)supporting the buffer devices (5000), for easy replacement of the bufferdevices (5000), and on the bottom of the cap screws (6000) are formedthe grooves (6010), as shown in FIG. 26 b, for the tools used toassembling and disassembling of the buffer devices. Therefore, thebuffer devices (5000) can be easily replaced when necessary, e.g., tomeet the weight of the user or to control the strength according to theload distribution on the sole.

The said 1st check valve (7000) installed in the path (3400) of thecushion member (3000) opens the path (3400), while walking, when therear wavy grooves (3300) of the cushion member (3000) is expanded, andcloses the path (3400) when the rear wavy grooves (3300) of the cushionmember (3000) is compressed. In the path (3400) of the said cushionmember (3000) is formed with the valve installation groove (3410) forthe 1st check valve.

The said 2nd check valve (8000) is installed at the rear part of thelower sheet (1000) to exhaust air. When the rear wavy groove (3300) ofthe cushion member (3000) is compressed, it exhausts air out, and whenthe rear wavy groove (3300) of the cushion member (3000) is expanded,the 2nd check valve is closed to cut off air exhaustion. In the rearpart of the said lower sheet (1000), a valve installation groove (1200)is formed to fit with the 2nd check valve (8000)

The overall operational relations of the sole of air circulating andshock absorbing shoe of the 2nd exemplary embodiment in accordance withthe present invention are described herein below.

When the shoe inserted with the said sole (B) is not worn, the front andrear wavy grooves (3200)(3300) maintain expanded state by the elasticityof the buffer devices (5000).

When the shoe with the sole (B) is worn, the front and rear wavy grooves(3200)(3300) and the buffer devices (5000) absorb shock and circulateair by being compressed and expanded in turns, while walking or running.

Firstly, as shown in FIG. 27 a, when the upper sheet (2000) is pressedby heel, the rear wavy grooves (3300) of the cushion member (3000) iscompressed, followed by the compression of the buffer device (5000) atthe rear of the cushion member (3000), absorbing shock. At the sametime, the air compressed in the rear wavy grooves (3300) is exhaustedvia the 2nd check valve (8000), and the path (3400) of the cushionmember (3000) is closed because the 1st check valve (7000) is closed bythe pressure of the compressed air.

Next, as shown in FIG. 27 b, when the upper sheet (2000) is pressed bytoe, the front wavy grooves (3200) of the cushion member (3000) iscompressed, followed by the compression of the buffer device (5000) atthe front of the cushion member (3000), absorbing shock, and the 1stcheck valve (7000) is opened. because the compressed air is exhaustedthrough the path (3400) of the cushion member (3000).

When the foot is lifted from the ground, as shown in FIG. 27 c, thefront and rear wavy grooves (3200)(3300) of the cushion member (3000)expand to their original shape by the dynamic stability of the bufferdevices (5000), causing suction force in the rear wavy grooves (3300),in addition to the suction force caused by the restoration of the frontwavy grooves (3200) and buffer devices (5000), enabling fresh air beingintroduced into the front wavy grooves (3200) through the suction holes(2100) of the upper sheet (2000), and flows into the rear wavy grooves(3300) through the 1st check valve (7000), resulting in the circulationof air in the sole (B).

Therefore, since the sole (B) of the air circulating and shock absorbingshoe in accordance with the 2nd exemplary embodiment of the presentinvention provides excellent cushion effect due to the bufferingcapability, reducing fatigue of feet when walking or running, promotinghealth by structurally increasing the quantity of motion, and preventingvarious geriatric diseases caused by lack of exercise.

In addition, the sole (B) of the air circulating and shock absorbingshoe in accordance with the present invention enables ventilation withfresh air in the shoes while walking or running, removing odor,preventing athlete's foot and allowing users to wear the shoespleasantly for a long time.

In addition, as mentioned above, the cap screws (6000) are jointed, butseparable, with the nuts (4000) to enable easy replacement of the bufferdevices (5000) when necessary, or to meet the weight of the user, or tocontrol the strength according to the load distribution.

In addition, according to the present invention, the springs (5100) areprotected from corrosion by being embedded in the buffer devices (5000).

INDURSTRIAL APPLICABILITY

The air circulating and shock absorbing shoes and soles in accordancewith the present invention can reduce feet fatigue by absorbing theimpact of walking and running, promote health by increasing the quantityof motion, enable smooth air circulation removing odor and preventingathlete's foot and pleasant wearing of shoes for a long time.

1. For the shoes having outsole, midsole, and insole, an air circulatingand shock absorbing shoes characterized by being comprised of; bufferspace formed on top of the outsole and accommodates a cushion member;multiple nuts embedded to vertically penetrate the front and rear partsof the said buffer space; multiple insertion holes vertically formed inthe said cushion member facing the said nuts; buffer devices embedded inthe said insertion holes and incorporates vertically embedded springs;cap screws jointed with said nuts; multiple front and rear wavy groovesformed at the front and rear part of said cushion member and connectedwith connecting grooves; a path connecting said front and rear wavygrooves; 1st and 2nd check valves installed in said path and rear partof the outsole; and multiple inlet holes formed at front part of themidsole and insole and connected with the front wavy grooves.
 2. An aircirculating and shock absorbing shoes in accordance with claim 1,wherein, the shoes are characterized by being formed with concavegrooves at center top and bottom of said buffer devices and projections,formed on the bottom of the midsole and top of said cap screw, which arefitted with said concave grooves.
 3. An air circulating and shockabsorbing shoes in accordance with claim 1, wherein, the shoes arecharacterized by being formed with anti-slip projections on the bottomof said cap screws.
 4. An air circulating and shock absorbing shoes inaccordance with claim 1, wherein, the shoes are characterized by beingformed with multiple pressing projections and cushion projections at thefront and rear top of the midsole, respectively, and the insole isformed with multiple cut-offs corresponding with said pressing andcushion projections, and top of the insole is attached with spun cloth.5. An air circulating and shock absorbing sole, which is comprised oflower sheet and upper sheet, characterized by being formed and installedwith; 1^(st) and 2^(nd) air chambers formed at front and rear top of thelower sheet and interconnected by a path; multiple concave groovesformed inside the center top of the lower sheet and the 1^(st) airchamber; multiple inlet holes formed in the upper sheet andinterconnected with the 1^(st) air chamber; multiple buffer projectionsprotruding from the bottom of the upper sheet to be fit into the saidconcave grooves, and embedded with vertical springs; pressingprojections on top of said buffer projections, receiving the elasticforce of the springs; multiple cushion projections formed at the reartop of the upper sheet; buffer member incorporated inside the 2^(nd) airchamber; 1^(st) check valve in front of the 2^(nd) air chamber to openand close the path; and 2^(nd) check valve at rear of the 2^(nd) airchamber, connected with outside to exhaust air.
 6. An air circulatingand shock absorbing sole in accordance with claim 5, wherein, the soleis characterized by being formed with multiple wavy grooves inside thesaid 1^(st) air chamber.
 7. An air circulating and shock absorbing solein accordance with claim 5, wherein, the sole is characterized by beingformed with said buffer members, integrating two wrinkled tubes, whichare positioned on both sides of said 2^(nd) air chamber and springswhich are embedded and sealed inside said wrinkled tubes.
 8. An air iscirculating and shock absorbing sole in accordance with claim 5,wherein, the sole is characterized by being formed with said buffermember who is formed integrally at rear bottom of the upper sheet,having multiple buffer projections and the springs embedded in saidbuffer projections.
 9. An air circulating and shock absorbing sole,which is comprised of lower sheet and upper sheet, wherein the sole ischaracterized by being formed and installed with; buffer space formed ontop of the lower sheet to accommodate a cushion member; multiple nutsembedded in the front and rear of said buffer space penetrating itvertically, multiple vertical insertion holes in the cushion memberfacing said nuts; buffer devices in said insertion holes havingvertically embedded springs; cap screws jointed with said nuts; multiplefront and rear wavy grooves formed at the front and rear parts of saidcushion member, respectively, and interconnected with connectinggrooves; path connecting the front and rear wavy grooves; 1^(st) and2^(nd) check valves installed in said path and rear part of the lowersheet; and multiple inlet holes formed at the front of the upper sheetand interconnected with the front wavy grooves.
 10. An air circulatingand shock absorbing sole in accordance with claim 9, wherein the sole ischaracterized by being formed with; concave grooves on center top andbottom of said buffer devices; and projections on top of said cap screwsto be fit into said concave grooves.